This Hydraulic Clutch Pump has a fixed displacement gear pump for usewith a belt-driven electro-magnetic clutch, Compatible with Force America Products. (Basic pump kits include: pump, idler pulley, clutch, serpentine belt, crankshaft pulley, pump mtg. Bracket’s as needed.NOTE TO INSTALLER: Clutches will need a short burnishing period to generate the rated torque. This is a process of cycling the clutch to slightly wear the friction surfaces. This allows full contact and maximum magnetic attraction required for rated torque (or more).BURNISHING-TO AVOID BURNING OR HEAT DISTORTION, THE FOLLOWING PROCEDURE IS RECOMMENDED: After clutch is installed, run at 1000-1200 RPM. Cycle the clutch on/off at the rate of 10 seconds on – 10 seconds off for a minimum of 50-100 cycles. Reliable under cold weather conditions Standard rear ports 12 GPM